heat pipe vacuum tube 8
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
heat pipe vacuum tube 8
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for evacuated tube
Strucure | All-glass concetric dual tube geometr |
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Glass material | Borosilicate glass |
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Outer lube biameter and length | φ=47 ±0.7mm & =1.5m |
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φ=58 ±0.7mm & =1.8m |
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φ=70 ±0.7mm & =2m |
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φ=47 ±0.7mm & =1.5m |
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Lnner lube diameter and length | φ=47 ±0.7mm &=1.8m |
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φ=58 ±0.7mm & =2m |
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Gtaded Al-N/Al solar selectuve absorbing coating |
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Construction |
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Absorbing | Mothod to deposition | DC reactive sputtering |
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Coating | Absorptance | >91% |
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Properties |
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| Emittance | <8%(80) |
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Vacuum | P<5×10-3pa |
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Stagnation parameter | ≥230M²/KW |
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Solar radiance exposure for obtaining a preset water temperature | ≤2.8MJ/M2 |
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Average heat loss coefficient | ≤0.8W/(M3) |
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Lifetime | 15 years |
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